Home / 187,976.64-281,981.52-53,041.89

Finding the Fourth Proportional to 187,976.64, 281,981.52 and 53,041.89

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Solution

The fourth proportional to 187,976.64, 281,981.52 and 53,041.89 is: 79,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,976.64 : 281,981.52 = 53,041.89 : x
  2. Step 2: Convert to fraction form
    187,976.64/281,981.52 = 53,041.89/x
  3. Step 3: Cross multiply
    187,976.64x = 281,981.52 × 53,041.89
  4. Step 4: Simplify right side
    187,976.64x = 14,956,832,765.87
  5. Step 5: Solve for x
    x = 14,956,832,765.87/187,976.64
  6. Step 6: Final answer
    x = 79,567.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.